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Results tagged with light
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user 12297
For questions concerning electromagnetic radiation in the visible spectrum.
31
votes
Accepted
What are the main problems with beaming light from the Sun to Saturn?
The light beam will always be at least as wide, or wider. … When you use optics to move light from a light source, and project it somewhere else, the smallest you can make the projected light is when you attain an image of the light source that is in perfect focus …
- 44k
21
votes
Accepted
Would it be possible to build a powerless holographic projector?
Mirrors work fine
...as the Norwegian town of Rjukan has already demonstrated.
Read about it here.
The villages of Rjukan, Norway, and Viganella, Italy, are both situated in deep valleys where mounta …
- 44k
3
votes
Effects of a Moon-sized Sun-Cannon on Earth
Due to mechanical orientation errors, and small imperfections the light is not concentrated into a dot, but into a small circle of about 3 kilometers diameter and with a gaussian distribution of sunlight …
- 44k
3
votes
A monochrome planet
Not unless you invent an atmosphere that permits only one (narrow band of) wavelength of light to pass through it and that effectively absorbs everything else, or invent a LED/laser-star. …
- 44k
0
votes
Can a theoretical case be made for "transporting" consciousness via light?
Light — as we know — can carry data.
So the answer to your question is: yes, consciousness can be transported via light. …
- 44k